Any declaration made prior to August 1, 2001, shall be given effect as provided in this chapter provided that:

1. (a) Such declaration was legally effective when written; and
2. (b) Artificially provided nutrition and hydration shall not be withdrawn pursuant to the declaration unless specifically authorized therein.

(Acts 1997, No. 97-187, p. 281, §4; Act 2001-658, p. 1352, §2.)